+// <script type ="text/Javascript">
+GLib = imports.gi.GLib;
+Gio = imports.gi.Gio;
+
+
+
+/**
+* @namespace File
+*
+* Library to wrap GLib and Gio basic File related methods
+*
+* usage:
+*
+* File = import.File.File;
+*
+* var contents = File.read("/tmp/test.txt");
+*
+*
+*
+*/
+var File = {
+
+ SEPARATOR : '/',
+
+ // fixme - this needs a bitter location..
+ // they where in a string class before, but overriding String methods is not a good normally a good idea..
+
+ rtrim : function (s,toTrim) {
+ if (s.substr(s.length - toTrim.length) == toTrim) {
+ return s.slice(0, s.length - toTrim.length);
+ }
+
+ return s;
+ },
+ trim : function (s,toTrim) {
+ var out = s.ltrim(toTrim);
+ out = out.rtrim(toTrim);
+ return out;
+ },
+
+ ltrim : function (s, toTrim) {
+ if (s.substr(0, toTrim.length) == toTrim) {
+ return s.slice(toTrim.length);
+ }
+
+ return s;
+ },
+
+ join : function () {
+ var out = "";
+ for (var i = 0; i < arguments.length; i++) {
+ if (i == 0) {
+ out += this.rtrim(arguments[i], File.SEPARATOR);
+ }
+ else if (i == arguments.length - 1) {
+ out += File.SEPARATOR + this.ltrim(arguments[i], File.SEPARATOR);
+ }
+ else {
+ out += File.SEPARATOR + this.trim(arguments[i], File.SEPARATOR);
+ }
+ }
+ return out;
+ },
+
+ read : function (path) {
+ var out = {};
+ GLib.file_get_contents(path, out, null, null);
+ return out['value'];
+ },
+
+ isFile : function (path) {
+ return GLib.file_test(path, GLib.FileTest.IS_REGULAR);
+ },
+ exists : function (path) {
+ return GLib.file_test(path, GLib.FileTest.EXISTS);
+ },
+ isDirectory : function (path) {
+ return GLib.file_test(path, GLib.FileTest.IS_DIR);
+ },
+
+ list : function (path) {
+ var listing = [];
+
+ var f = Gio.file_new_for_path(String(path));
+ var file_enum = f.enumerate_children(Gio.FILE_ATTRIBUTE_STANDARD_DISPLAY_NAME, Gio.FileQueryInfoFlags.NONE, null);
+
+ var next_file = null;
+
+ while ((next_file = file_enum.next_file(null)) != null) {
+ listing.push(next_file.get_display_name());
+ }
+
+ file_enum.close(null);
+
+ listing.sort();
+
+ return listing;
+ },
+
+ mtime : function (path) {
+ var f = Gio.file_new_for_path(String(path));
+ var mtime = new GLib.TimeVal();
+
+ var info = f.query_info(Gio.FILE_ATTRIBUTE_TIME_MODIFIED, Gio.FileQueryInfoFlags.NONE, null);
+ info.get_modification_time(mtime);
+
+ return new Date(mtime.tv_sec * 1000);
+ },
+
+ /**
+ * resolve the real path
+ * @arg path {String} Path to resolve
+ * @returns {String} the resolved path path.
+ *
+ */
+ realpath : function (path) {
+ return this.canonical(path);
+ },
+ canonical : function (path) {
+ var f = Gio.file_new_for_path(String(path));
+ var can = f.resolve_relative_path('');
+ return can.get_path();
+ },
+ /**
+ * write a string to a file
+ * @arg path {String} File to write to alwasy overwrites.
+ * @arg string {String} Contents of file.
+ *
+ */
+ write : function (path, string) {
+ var d = new Date();
+ var f = Gio.file_new_for_path(String(path));
+ var data_out = new Gio.DataOutputStream({base_stream:f.replace(null, false, Gio.FileCreateFlags.NONE, null)});
+ data_out.put_string(string, null);
+ data_out.close(null);
+ print("WRITE : " + path + " in " + ((new Date()) - d) + 'ms');
+
+ },
+ /**
+ * append
+ * @arg path {String} File to write to
+ * @arg string {String} string to append to file.
+ *
+ */
+ append : function (path, string) {
+ var f = Gio.file_new_for_path(String(path));
+ var data_out = new Gio.DataOutputStream({
+ base_stream:f.append_to(Gio.FileCreateFlags.NONE, null)
+ });
+ data_out.put_string(string, null);
+ data_out.close(null);
+ },
+ /**
+ * remove
+ * Delete a file.
+ * @arg path {String} File to remove
+ *
+ *
+ */
+ remove : function (path)
+ {
+ var f = Gio.file_new_for_path(String(path));
+ return f['delete']();
+ },
+ // copy files recursively from fromDir, silently ignore them if they already exist in toDir
+ silentRecursiveCopy : function (fromDir, toDir) {
+ var filesToCopy = File.recursiveListing(fromDir);
+ var srcPath, destPath, src, dest;
+
+ for (var index in filesToCopy) {
+ srcPath = File.join(String(fromDir), filesToCopy[index]);
+ destPath = File.join(String(toDir), filesToCopy[index]);
+
+ if (File.isFile(srcPath) && !File.isFile(destPath)) {
+ File.copyFile(srcPath, destPath);
+ }
+ else if (File.isDirectory(srcPath) && !File.isDirectory(destPath)) {
+ File.mkdir(destPath);
+ }
+
+ }
+ },
+ /**
+ * Make a symbolic link
+ * @arg new_link {String} The new link
+ * @arg target {String} Where it links to.
+ */
+ link : function (new_link, target) {
+ var dest = Gio.file_new_for_path(String(new_link));
+ return dest.make_symbolic_link(target, null);
+ },
+ /**
+ * Make a directory
+ * FIXME - needs perms setting..
+ *
+ * @arg directory {String} Directory to make
+ */
+
+ mkdir : function (destPath) {
+ var dest = Gio.file_new_for_path(String(destPath));
+ return dest.make_directory(null);
+ },
+
+ /**
+ * Copy a file or (directory maybe?)
+ * @arg srcPath {String} source file
+ * @arg destPath {String} destination file
+ * @arg flags {Gio.FileCopyFlags} to overwrite etc... Gio.FileCopyFlags.OVERWRITE
+ */
+ copy : function (srcPath, destPath, flags) {
+ return this.copyFile(srcPath, destPath, flags);
+ },
+ copyFile : function (srcPath, destPath, flags) {
+
+ flags = typeof(flags) == 'undefined' ? Gio.FileCopyFlags.NONE : flags;
+ var dest = Gio.file_new_for_path(String(destPath));
+ var src = Gio.file_new_for_path(String(srcPath));
+
+ // a bit of a hack for the fact that Gio.File.copy arguments
+ // can be nulled, but not according to the GIR file
+ return src.copy(dest, flags);
+ },
+
+
+
+
+ recursiveListing : function (dir) {
+
+ function recursiveListingInternal(prefix, listing, dir) {
+ var entries = File.list(dir);
+ var next, fullPath;
+
+ for (var index in entries) {
+ next = entries[index];
+ fullPath = File.join(prefix, dir, next);
+
+ if (File.isDirectory(fullPath)) {
+ listing.push(next);
+ listing = listing.concat(recursiveListingInternal(next, [], fullPath));
+ }
+ else {
+ if (prefix) {
+ next = File.join(prefix, next);
+ }
+ listing.push(next);
+ }
+ }
+
+ return listing;
+ }
+
+ return recursiveListingInternal('', [], dir);
+ }
+
+};